An admitted hitman has been sentenced to 50 to 100 years in prison

A confessed hitman has been sentenced to between 50 and 100 years in jail.

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DETROIT (WXYZ) - An admitted hitman has been sentenced to 50 to 100 years in jail as part of a plea deal.

However, the sentencing of Vincent Smothers was held up for a short time after contraband was found in his cell. Officials say the prohibited items included a cell phone and some batteries.

The discovery triggered a lockdown on the 8th floor of the Frank Murphy Hall of Justice.

Smothers plea deal covers 8 murders, including that of the wife of a Detroit Police officer. Investigators say Smothers killed Rose Cobb as she sat in the family minivan. They say her husband, Detroit Police Sgt. David Cobb paid Smothers $1500 for the murder. Sgt. Cobb later committed suicide.

The plea deal also affects 16-year-old Davontae Sanford. Sanford has been incarcerated since confessing to taking part in a drug house hit. However, Smothers confessed to those murders as part of his deal.